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Unread 01-08-2007, 07:13 AM   #1
echocat22
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Tire Pressure Monitoring System

whomever has the tpms, are you able to get all tires to register/have the same pressure mine say start out at 35 and 3 tires end up going to 37 and one stays at 36

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Unread 01-08-2007, 08:03 AM   #2
Gramps
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That's just normal fluctuation. Mine NEVER quite read the same. 1 or 2 pounds either way is fine. You would have to set them all with a digital gauge to get the same readings but then they would start to vary depending on how many turns that you make in the course of your driving. The fronts would tend to build a little more pressure because they "squirm" on turns and corners. I have found out that it will tell you that you have a slow leak from a nail in your tire because of an unusual pressure drop.

The system only "monitors" the pressure, it is not a substitute for maintenance.
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Unread 01-08-2007, 06:49 PM   #3
echocat22
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all 4 start out at 35 , back tires and front right go to 37 and front left gets to 36, pretty much stays there
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Unread 01-08-2007, 07:10 PM   #4
Gramps
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Quote:
Originally Posted by echocat22
all 4 start out at 35 , back tires and front right go to 37 and front left gets to 36, pretty much stays there
Sounds 'bout like mine. You can't tell if it's 35.0, 35.5 or 35.9 psi but, it will take longer for the 35.0 tire to heat up to 36 or 37 than the tire that's at 35.9; so you'll have some variation.
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Unread 01-08-2007, 07:28 PM   #5
echocat22
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thanks for the input gramps
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Unread 01-08-2007, 08:31 PM   #6
g3cko
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yeah mine kinda vary too.
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Unread 01-08-2007, 10:39 PM   #7
BuzzDog
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I've actually noticed that if the sun is shining on one side of the vehicle, the tires on that side will register one or two pounds higher, since air expands as it is heated. I may actually have my tires filled with nitrogen...my brother-in-law has a tire shop and he'll do it for free. Supposedly nitrogen expands and contracts less with temperature fluctuations.
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